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					132 lines
				
				4.7 KiB
			
		
		
			
		
	
	
					132 lines
				
				4.7 KiB
			| 
											3 years ago
										 | "use strict"; | ||
|  | 
 | ||
|  | Object.defineProperty(exports, "__esModule", { | ||
|  |   value: true | ||
|  | }); | ||
|  | exports.default = void 0; | ||
|  | var _helperPluginUtils = require("@babel/helper-plugin-utils"); | ||
|  | var _pluginSyntaxPrivatePropertyInObject = require("@babel/plugin-syntax-private-property-in-object"); | ||
|  | var _helperCreateClassFeaturesPlugin = require("@babel/helper-create-class-features-plugin"); | ||
|  | var _helperAnnotateAsPure = require("@babel/helper-annotate-as-pure"); | ||
|  | var _default = (0, _helperPluginUtils.declare)((api, opt) => { | ||
|  |   api.assertVersion(7); | ||
|  |   const { | ||
|  |     types: t, | ||
|  |     template | ||
|  |   } = api; | ||
|  |   const { | ||
|  |     loose | ||
|  |   } = opt; | ||
|  | 
 | ||
|  |   const classWeakSets = new WeakMap(); | ||
|  |   const fieldsWeakSets = new WeakMap(); | ||
|  |   function unshadow(name, targetScope, scope) { | ||
|  |     while (scope !== targetScope) { | ||
|  |       if (scope.hasOwnBinding(name)) scope.rename(name); | ||
|  |       scope = scope.parent; | ||
|  |     } | ||
|  |   } | ||
|  |   function injectToFieldInit(fieldPath, expr, before = false) { | ||
|  |     if (fieldPath.node.value) { | ||
|  |       const value = fieldPath.get("value"); | ||
|  |       if (before) { | ||
|  |         value.insertBefore(expr); | ||
|  |       } else { | ||
|  |         value.insertAfter(expr); | ||
|  |       } | ||
|  |     } else { | ||
|  |       fieldPath.set("value", t.unaryExpression("void", expr)); | ||
|  |     } | ||
|  |   } | ||
|  |   function injectInitialization(classPath, init) { | ||
|  |     let firstFieldPath; | ||
|  |     let consturctorPath; | ||
|  |     for (const el of classPath.get("body.body")) { | ||
|  |       if ((el.isClassProperty() || el.isClassPrivateProperty()) && !el.node.static) { | ||
|  |         firstFieldPath = el; | ||
|  |         break; | ||
|  |       } | ||
|  |       if (!consturctorPath && el.isClassMethod({ | ||
|  |         kind: "constructor" | ||
|  |       })) { | ||
|  |         consturctorPath = el; | ||
|  |       } | ||
|  |     } | ||
|  |     if (firstFieldPath) { | ||
|  |       injectToFieldInit(firstFieldPath, init, true); | ||
|  |     } else { | ||
|  |       (0, _helperCreateClassFeaturesPlugin.injectInitialization)(classPath, consturctorPath, [t.expressionStatement(init)]); | ||
|  |     } | ||
|  |   } | ||
|  |   function getWeakSetId(weakSets, outerClass, reference, name = "", inject) { | ||
|  |     let id = weakSets.get(reference.node); | ||
|  |     if (!id) { | ||
|  |       id = outerClass.scope.generateUidIdentifier(`${name || ""} brandCheck`); | ||
|  |       weakSets.set(reference.node, id); | ||
|  |       inject(reference, template.expression.ast`${t.cloneNode(id)}.add(this)`); | ||
|  |       const newExpr = t.newExpression(t.identifier("WeakSet"), []); | ||
|  |       (0, _helperAnnotateAsPure.default)(newExpr); | ||
|  |       outerClass.insertBefore(template.ast`var ${id} = ${newExpr}`); | ||
|  |     } | ||
|  |     return t.cloneNode(id); | ||
|  |   } | ||
|  |   return { | ||
|  |     name: "proposal-private-property-in-object", | ||
|  |     inherits: _pluginSyntaxPrivatePropertyInObject.default, | ||
|  |     pre() { | ||
|  |       (0, _helperCreateClassFeaturesPlugin.enableFeature)(this.file, _helperCreateClassFeaturesPlugin.FEATURES.privateIn, loose); | ||
|  |     }, | ||
|  |     visitor: { | ||
|  |       BinaryExpression(path, state) { | ||
|  |         const { | ||
|  |           node | ||
|  |         } = path; | ||
|  |         const { | ||
|  |           file | ||
|  |         } = state; | ||
|  |         if (node.operator !== "in") return; | ||
|  |         if (!t.isPrivateName(node.left)) return; | ||
|  |         const { | ||
|  |           name | ||
|  |         } = node.left.id; | ||
|  |         let privateElement; | ||
|  |         const outerClass = path.findParent(path => { | ||
|  |           if (!path.isClass()) return false; | ||
|  |           privateElement = path.get("body.body").find(({ | ||
|  |             node | ||
|  |           }) => | ||
|  |           t.isPrivate(node) && node.key.id.name === name); | ||
|  |           return !!privateElement; | ||
|  |         }); | ||
|  |         if (outerClass.parentPath.scope.path.isPattern()) { | ||
|  |           outerClass.replaceWith(template.ast`(() => ${outerClass.node})()`); | ||
|  |           return; | ||
|  |         } | ||
|  |         if (privateElement.node.type === "ClassPrivateMethod") { | ||
|  |           if (privateElement.node.static) { | ||
|  |             if (outerClass.node.id) { | ||
|  |               unshadow(outerClass.node.id.name, outerClass.scope, path.scope); | ||
|  |             } else { | ||
|  |               outerClass.set("id", path.scope.generateUidIdentifier("class")); | ||
|  |             } | ||
|  |             path.replaceWith(template.expression.ast`
 | ||
|  |                 ${t.cloneNode(outerClass.node.id)} === ${(0, _helperCreateClassFeaturesPlugin.buildCheckInRHS)(node.right, file)} | ||
|  |               `);
 | ||
|  |           } else { | ||
|  |             var _outerClass$node$id; | ||
|  |             const id = getWeakSetId(classWeakSets, outerClass, outerClass, (_outerClass$node$id = outerClass.node.id) == null ? void 0 : _outerClass$node$id.name, injectInitialization); | ||
|  |             path.replaceWith(template.expression.ast`${id}.has(${(0, _helperCreateClassFeaturesPlugin.buildCheckInRHS)(node.right, file)})`); | ||
|  |           } | ||
|  |         } else { | ||
|  | 
 | ||
|  |           const id = getWeakSetId(fieldsWeakSets, outerClass, privateElement, privateElement.node.key.id.name, injectToFieldInit); | ||
|  |           path.replaceWith(template.expression.ast`${id}.has(${(0, _helperCreateClassFeaturesPlugin.buildCheckInRHS)(node.right, file)})`); | ||
|  |         } | ||
|  |       } | ||
|  |     } | ||
|  |   }; | ||
|  | }); | ||
|  | exports.default = _default; | ||
|  | 
 | ||
|  | //# sourceMappingURL=index.js.map
 |